NYSE to talk Nasdaq bid by April 14

Summary of business headlines: NYSE Euronext's board of directors plans to meet by April 14 to consider a rival bid from Nasdaq OMX-source; Southwest completes plane inspections after emergency landing.

USA-BUSINESS UPDATE - The Board of Directors of NYSE Euronext is planning to meet by April 14 to discuss a rival takeover bid from Nasdaq OMX, according to a person familiar with plan.

No firm date has been set for the meeting, which could determine the Nasdaq's $11.3 billion unsolicited takeover bid as "superior" to Deutsche Boerse's $10.2 billion friendly offer; or the board could reject Nasdaq's proposal outright; or ask for more information from the Nasdaq and the Intercontinental Exchange - its partner in the deal.

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Southwest Airlines says its flight schedule is now back to normal after canceling more than 650 flights in recent days.

It says it has completed inspections of its fleet of older 737s, and found cracks in only 5 of 79 planes.

The probe followed an emergency plane landing on April 1st after a hole opened in the body of a jet.